US11761476B2 - Torque hinge module - Google Patents

Torque hinge module Download PDF

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Publication number
US11761476B2
US11761476B2 US17/103,953 US202017103953A US11761476B2 US 11761476 B2 US11761476 B2 US 11761476B2 US 202017103953 A US202017103953 A US 202017103953A US 11761476 B2 US11761476 B2 US 11761476B2
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Prior art keywords
bearing surface
torque
rotating element
hinge module
bearing
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US17/103,953
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US20210156416A1 (en
Inventor
Che-Hsien Lin
Che-Hsien Chu
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Compal Electronics Inc
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Compal Electronics Inc
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Publication of US20210156416A1 publication Critical patent/US20210156416A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/0054—Covers, e.g. for protection
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D3/00—Hinges with pins
    • E05D3/06—Hinges with pins with two or more pins
    • E05D3/12—Hinges with pins with two or more pins with two parallel pins and one arm
    • E05D3/122—Gear hinges
    • E05Y2900/606—
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2999/00—Subject-matter not otherwise provided for in this subclass

Definitions

  • the disclosure relates to a torque hinge module, and particularly relates to a torque hinge module of a folding electronic device.
  • a folding electronic device includes two bodies and a torque hinge module.
  • the two bodies are pivotally connected through the torque hinge module.
  • the torque hinge module may generate torque.
  • the torque hinge module may not only increase the feeling of maneuvering of a user, but may also enable the two bodies to be positioned at any angle.
  • the disclosure is directed to a torque hinge module, which is capable of solving the existing issue that the torque hinge module is unable to be accurately unfolded to a specific angle.
  • the disclosure provides a torque hinge module including a rotating element and a torque assembly.
  • the torque assembly rotatably sleeves the rotating element to generate torque.
  • One of the rotating element and the torque assembly has a first bearing surface
  • the other one of the rotating element and the torque assembly has a second bearing surface and a third bearing surface corresponding to the first bearing surface.
  • a shape of the first bearing surface corresponds to a shape of the second bearing surface.
  • the shape of the first bearing surface corresponds to a shape of the third bearing surface.
  • the rotating element has a shaft portion.
  • a cross section is defined at the shaft portion.
  • the cross section is perpendicular to a central axis of the shaft portion.
  • a perfect circle is defined by an outermost periphery of the shaft portion. Orthogonal projections of the first bearing surface, the second bearing surface and the third bearing surface on the cross section are located in the perfect circle.
  • the first included angle is 90 degrees.
  • the rotating element has the first bearing surface.
  • the torque assembly has the second bearing surface and the third bearing surface.
  • the torque assembly includes a first torque element and a second torque element.
  • the first torque element has the second bearing surface.
  • the second torque element has two third bearing surfaces. The first bearing surface is suitable for bearing against the corresponding third bearing surface.
  • the torque assembly has the first bearing surface.
  • the rotating element has the second bearing surface and the third bearing surface.
  • the torque assembly includes two torque elements. Each of the torque elements has the first bearing surface.
  • the other one of the rotating element and the torque assembly further has a fourth bearing surface corresponding to the first bearing surface. There is a second included angle between the plane where the second bearing surface is located and a plane where the fourth bearing surface is located.
  • a number of the rotating elements is two.
  • the torque assembly is rotatably sleeved on the two rotating elements.
  • the torque hinge module further includes two brackets and a synchronization mechanism.
  • the brackets are fixed to the rotating elements.
  • the synchronization mechanism is connected between the two rotating elements, so that the two rotating elements pivot synchronously.
  • the torque hinge module further includes two brackets.
  • One of the two brackets sleeves the torque assembly, and the other one of the two brackets is fixed to the rotating element.
  • the torque hinge module of the disclosure by making the first bearing surface bear against the second bearing surface or the third bearing surface, the torque generated when the torque assembly is sleeved on the rotating element is reduced, which helps to accurately fix the torque hinge module at a specific angle.
  • FIG. 1 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 1 B is an exploded view of the torque hinge module of FIG. 1 A .
  • FIG. 1 C to FIG. 1 E illustrate an operation flow of the torque hinge module of FIG. 1 A .
  • FIG. 1 F shows torque generated by the torque hinge module in a state of FIG. 1 E .
  • FIG. 2 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 2 B is an exploded view of the torque hinge module of FIG. 2 A .
  • FIG. 2 C to FIG. 2 E illustrate an operation flow of the torque hinge module of FIG. 2 A .
  • FIG. 3 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 3 B is an exploded view of the torque hinge module of FIG. 3 A .
  • FIG. 3 C and FIG. 3 D illustrate an operation flow of the torque hinge module of FIG. 3 A .
  • FIG. 4 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 4 B is an exploded view of the torque hinge module of FIG. 4 A .
  • FIG. 4 C and FIG. 4 D illustrate an operation flow of the torque hinge module of FIG. 4 A .
  • FIG. 5 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 5 B is an exploded view of the torque hinge module of FIG. 5 A .
  • FIG. 5 C to FIG. 5 E illustrate an operation flow of the torque hinge module of FIG. 5 A .
  • FIG. 6 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 6 B is an exploded view of the torque hinge module of FIG. 6 A .
  • FIG. 6 C to FIG. 6 E illustrate an operation flow of the torque hinge module of FIG. 6 A .
  • FIG. 1 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 1 B is an exploded view of the torque hinge module of FIG. 1 A .
  • some components are shown in dotted lines in FIG. 1 A and FIG. 1 B .
  • the torque hinge module 100 may be assembled in a folding electronic device 50 , so that a first body 52 may be pivoted relative to a second body 54 .
  • the folding electronic device 50 is, for example, but not limited to a notebook computer with an input module or a notebook computer with dual screens.
  • the torque hinge module 100 includes a rotating element 110 a , a rotating element 110 b , a torque assembly 120 , a bracket 170 a , a bracket 170 b , and a synchronization mechanism 180 .
  • the rotating element 110 a and the rotating element 110 b are rotatably disposed through the torque assembly 120 .
  • the rotating element 110 a has a center axis CA.
  • the synchronization mechanism 180 is connected between the rotating element 110 a and the rotating element 110 b to make the rotating element 110 a and the rotating element 110 b pivot synchronously.
  • the torque assembly 120 is rotatably sleeved on the rotating element 110 a and the rotating element 110 b , so as to generate torque.
  • the rotating element 110 A rotates by the same angle as the rotating element 110 b.
  • the bracket 170 a is fixed to the rotating element 110 a , and the bracket 170 a is fixed to the first body 52 to pivot synchronously along with the first body 52 .
  • the bracket 170 a has a surface S 1 , the surface S 1 is, for example, but not limited to, parallel to an inner surface 52 a of the first body 52 , and the surface S 1 is, for example, but not limited to, parallel to the central axis CA.
  • the bracket 170 b is fixed to the rotating element 110 b , and the bracket 170 b is fixed to the second body 54 to pivot synchronously along with the second body 54 .
  • the bracket 170 b has a surface S 2 , the surface S 2 is, for example, but not limited to, parallel to an inner surface 54 a of the second body 54 , and the surface S 2 is, for example, but not limited to, parallel to the central axis CA.
  • the rotating element 110 a is taken as an example for description. Those skilled in the art should understand that the configuration between the rotating element 110 a and the torque assembly 120 may also be applied to the configuration between the rotating element 110 b and the torque assembly 120 .
  • the torque assembly 120 includes, for example, but not limited to, a plurality of first torque elements 122 arranged in parallel, a plurality of second torque elements 124 arranged in parallel, and a plurality of third torque elements 126 arranged in parallel.
  • each first torque element 122 for example, but not limited to, present a sheet shape, and four first torque elements 122 sleeve the rotating element 110 a .
  • Each second torque element 124 for example, but not limited to, present a sheet shape, and four second torque elements 124 sleeve the rotating element 110 a .
  • Each third torque element 126 for example, but not limited to, present a sheet shape, and four third torque elements 126 sleeve the rotating element 110 a .
  • the third torque elements 126 are located between the first torque elements 122 and the second torque elements 124 .
  • FIG. 1 C to FIG. 1 E illustrate an operation flow of the torque hinge module of FIG. 1 A .
  • the rotating element 110 a has a shaft portion 112 a and a first bearing surface 130 .
  • the first torque element 122 has a first sleeve portion 122 a and a second bearing surface 140 .
  • the second torque element 124 has a second sleeve portion 124 a and a third bearing surface 150 .
  • the third torque element 126 has a third sleeve portion 126 a and a fourth bearing surface 160 .
  • the first sleeve portion 122 a , the second sleeve portion 124 a , and the third sleeve portion 126 a are all sleeved on the shaft portion 112 a.
  • first included angle ⁇ 1 between a plane where the second bearing surface 140 is located and a plane where the third bearing surface 150 is located.
  • second included angle ⁇ 2 between the plane where the second bearing surface 140 is located and a plane where the fourth bearing surface 160 is located.
  • a shape of the first bearing surface 130 corresponds to a shape of the second bearing surface 140 .
  • the shape of the first bearing surface 130 corresponds to a shape of the third bearing surface 150 .
  • the shape of the first bearing surface 130 corresponds to a shape of the fourth bearing surface 160 .
  • shapes of the first sleeve portion, the second sleeve portion, and the third sleeve portion may also be changed as required.
  • the first sleeve portion, the second sleeve portion, and the third sleeve portion are in shapes without notches at end portions, and may respectively have a bearing surface at any position.
  • the torque assembly may include more or fewer different torque elements, and the different torque elements may have bearing surfaces with different configuration angles to interact with the first bearing surface, such that the planes of the two brackets may be unfolded to a specific angle relative to each other.
  • the rotating element 110 a has the shaft portion 112 a .
  • a cross section CS 1 is defined at the shaft portion 112 a of FIG. 1 C
  • a cross section CS 2 is defined at the shaft portion 112 a in FIG. 1 E
  • a cross section CS 3 is defined at the shaft portion 112 a in FIG. 1 D .
  • the cross section CS 1 , the cross section CS 2 , and the cross section CS 3 are all perpendicular to the central axis CA of the shaft portion 112 a .
  • a perfect circle PC is defined by an outermost periphery of the shaft portion 112 a .
  • Orthographic projections of the first bearing surface 130 , the second bearing surface 140 , the third bearing surface 150 and the fourth bearing surface 160 on the cross section CS 1 , the cross section CS 2 and the cross section CS 3 are located within the perfect circle PC.
  • the first bearing surface 130 is a plane recessed in the rotating element 110 a .
  • the second bearing surface 140 is a plane protruding from the first sleeve portion 122 a .
  • the third bearing surface 150 is a plane protruding from the second sleeve portion 124 a .
  • the fourth bearing surface 160 is a plane protruding from the third sleeve portion 126 a.
  • a value of the second included angle ⁇ 2 is, for example, but not limited to, 25 degrees.
  • the value of the second included angle ⁇ 2 may be selected according to actual requirements, and the value of the second included angle ⁇ 2 may be selected from a range of 10 degrees to 70 degrees according to actual requirements.
  • the synchronization mechanism 180 includes a driving gear 182 a , a driving gear 182 b , a synchronization gear 184 a , and a synchronization gear 184 b.
  • the driving gear 182 a is fixed to the rotating element 110 a to pivot in synchronization with the rotating element 110 a .
  • the driving gear 182 b is fixed to the rotating element 110 b to pivot in synchronization with the rotating element 110 b .
  • the synchronization gear 184 a meshes with the driving gear 182 a .
  • the synchronization gear 184 b meshes with the driving gear 182 b and the synchronization gear 184 a at the same time.
  • the bracket 170 a drives the rotating element 110 a to rotate by the second included angle ⁇ 2
  • the rotating element 110 a makes the driving gear 182 a synchronously rotate by the second included angle ⁇ 2 .
  • the driving gear 182 a drives the rotating element 110 b to rotate by the same second included angle ⁇ 2 through functions of the synchronization gear 184 a , the synchronization gear 184 b , and the driving gear 182 b.
  • the fourth included angle ⁇ 4 at which the bracket 170 a is unfolded relative to the bracket 170 b is substantially equal to twice of the second included angle ⁇ 2 .
  • ⁇ 4 2 ⁇ 2 .
  • a value of the fourth included angle ⁇ 4 is, for example, but not limited to, 50 degrees.
  • the value of the fourth included angle ⁇ 4 may be selected according to actual requirements, and the value of the fourth included angle ⁇ 4 may be selected from a range of 20 degrees to 140 degrees according to actual requirements.
  • a value of the first included angle ⁇ 1 is, for example, but not limited to, 90 degrees.
  • FIG. 1 F shows the torque generated by the torque hinge module in the state of FIG. 1 E .
  • the torque may be reduced, so that the rotating element 110 a does not have a tendency to rotate in a certain direction, and the surface S 1 and the surface S 2 may be accurately positioned at positions corresponding to the third included angle ⁇ 3 .
  • a depression of a torque curve as shown in FIG. 1 F indicates that a torque value between the rotating element 110 a and the second sleeve portion 124 a of the second torque element 124 is decreased at the first included angle ⁇ 1 .
  • the value of the third included angle ⁇ 3 is, for example, but not limited to twice of the first included angle ⁇ 1 , i.e., for example, but not limited to, 180 degrees.
  • the torque hinge module 100 of the disclosure by making the first bearing surface 130 bear against the third bearing surface 150 , the torque generated when the second torque element 124 is sleeved on the rotating element 110 a may be reduced, which helps to make the surface S 1 of the bracket 170 a in the torque hinge module 100 accurately unfolded to an angle of 180 degrees with respect to the surface S 2 of the bracket 170 b .
  • the inner surface 52 a of the first body 52 and the inner surface 54 a of the second body 54 in the folding electronic device 50 of FIG. 1 A may be accurately unfolded to an angle of 180 degrees to provide the user with a better usage experience.
  • FIG. 2 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 2 B is an exploded view of the torque hinge module of FIG. 2 A .
  • FIG. 2 C to FIG. 2 E illustrate an operation flow of the torque hinge module of FIG. 2 A .
  • a torque hinge module 100 ′ shown in FIG. 2 A to FIG. 2 E configurations and functions of a torque assembly 120 ′, a first torque element 122 ′, a first sleeve portion 122 a ′, a second torque element 124 ′, a second sleeve portion 124 a ′, a third torque element 126 ′, and a third sleeve portion 1246 ′ are similar to configurations and functions of the torque assembly 120 , the first torque element 122 , the first sleeve portion 122 a , the second torque element 124 , the second sleeve portion 124 a , the third torque element 126 , and the third sleeve portion 1246 in the torque hinge module 100 of FIG. 1 A to FIG. 1 E , and details thereof are not repeated.
  • a difference between the torque hinge module 100 ′ shown in FIG. 2 A to FIG. 2 E and the torque hinge module 100 shown in FIG. 1 A to FIG. 1 E is that the torque assembly 120 ′ only has the first bearing surface 130 , the second bearing surface 140 , the third bearing surface 150 and the fourth bearing surface 160 corresponds to the single rotating element 110 a.
  • the torque hinge module 100 ′ further includes a bracket 170 b ′.
  • the bracket 170 a is also fixed to the rotating element 110 a , and the bracket 170 b ′ sleeves the torque assembly 120 ′.
  • the disclosure provides a uniaxial torque hinge module 100 ′. Therefore, the third included angle ⁇ 3 between the surface S 1 of the bracket 170 a and the surface S 2 of the bracket 170 b ′ may be equal to the first included angle ⁇ 1 , and the fourth included angle ⁇ 4 between the surface S 1 of the bracket 170 a and the surface S 2 of the bracket 170 b ′ may be equal to the second included angle ⁇ 2 .
  • the disclosure here only illustrates that the torsion shaft module 100 ′ is a uniaxial type.
  • the second sleeve portion 124 a ′ may be appropriately changed in design to become a shape without a notch, and the third bearing surface may be designed to have an included angle of 180 degrees relative to the second bearing surface.
  • FIG. 3 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 3 B is an exploded view of the torque hinge module of FIG. 3 A .
  • FIG. 3 C and FIG. 3 D illustrate an operation flow of the torque hinge module of FIG. 3 A .
  • a first bearing surface 230 , a second bearing surface 240 , a third bearing surface 250 , a bracket 270 a , a bracket 270 b , a synchronization mechanism 280 , a driving gear 282 a , a driving gear 282 b , a synchronization gear 284 a , and a synchronization gear 284 b are similar to configurations and functions of the first bearing surface 130 , the second bearing surface 140 , the third bearing surface 150 , the bracket 170 a , the bracket 170 b , the synchronization mechanism 180 , the driving gear 182 a , the driving gear 182 b , the synchronization gear 184 a , and the synchronization gear 184 b in the torque hinge module 100 of FIG. 1 A to FIG. 1 E , and details thereof are not repeated.
  • a difference between the torque hinge module 200 shown in FIG. 3 A to FIG. 3 D and the torque hinge module 100 shown in FIG. 1 A to FIG. 1 E is that a torque assembly 220 , for example, but not limited to, includes two torque elements 228 .
  • each torque element 228 has a sleeve portion 228 a and the first bearing surface 230 .
  • the rotating element 210 a has a shaft portion 212 a , the second bearing surface 240 and the third bearing surface 250 .
  • the configuration of the rotating element 210 b is similar to that of the rotating element 210 a , and detail thereof is not repeated.
  • the sleeve portion 228 a is sleeved on the shaft portion 212 a .
  • one of the first bearing surfaces 230 may be selectively aligned with the second bearing surface 240 in position, or the other first bearing surface 230 may be selectively aligned with the third bearing surface 250 in position.
  • a shape of the first bearing surface 230 corresponds to a shape of the second bearing surface 240 .
  • the shape of the first bearing surface 230 corresponds to a shape of the third bearing surface 250 .
  • the torque hinge module 200 of the disclosure by making one of the first bearing surfaces 230 bear against the second bearing surface 240 or the third bearing surface 250 , the torque generated when the torque assembly 220 is sleeved on the rotating element 210 a may be reduced, which helps to accurately fix the torque hinge module 200 at a specific angle.
  • FIG. 4 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 4 B is an exploded view of the torque hinge module of FIG. 4 A .
  • FIG. 4 C and FIG. 4 D illustrate an operation flow of the torque hinge module of FIG. 4 A .
  • a first bearing surface 330 , a second bearing surface 340 , a third bearing surface 350 , a bracket 370 a , a bracket 370 b , a synchronization mechanism 380 , a driving gear 382 a , a driving gear 382 b , a synchronization gear 384 a , and a synchronization gear 384 b are similar to configurations and functions of the first bearing surface 130 , the second bearing surface 140 , the third bearing surface 150 , the bracket 170 a , the bracket 170 b , the synchronization mechanism 180 , the driving gear 182 a , the driving gear 182 b , the synchronization gear 184 a , and the synchronization gear 184 b in the torque hinge module 100 of FIG. 1 A to FIG. 1 E , and details thereof are not repeated.
  • a torque assembly 320 for example, but not limited to, includes a first torque element 322 and a second torque element 324 .
  • the rotating element 310 a has a shaft portion 312 a and the first bearing surface 330 .
  • the configuration of the rotating element 310 b is similar to that of the rotating element 310 a , and detail thereof is not repeated here.
  • the first torque element 322 has a first sleeve portion 322 a and the second bearing surface 340 .
  • the second torque element 324 has a second sleeve portion 324 a and two third bearing surfaces 350 .
  • the first sleeve portion 322 a is sleeved on the shaft portion 312 a , and the first bearing surface 330 may be selectively aligned with the second bearing surface 340 in position.
  • the second sleeve portion 324 a is sleeved on the shaft portion 312 a , and the first bearing surface 330 may be selectively aligned with one of the third bearing surfaces 350 in position.
  • the other third bearing surface 350 may sandwich the shaft portion 312 a to generate certain torsion, which may reduce a reduction amount of torque.
  • a shape of the first bearing surface 330 corresponds to a shape of the second bearing surface 340 .
  • the shape of the first bearing surface 330 corresponds to a shape of the third bearing surface 350 .
  • the torque hinge module 300 of the disclosure by making the first bearing surfaces 330 bear against the second bearing surface 340 or the third bearing surface 350 , the torque generated when the torque assembly 320 is sleeved on the rotating element 310 a may be reduced, which helps to accurately fix the torque hinge module 300 at a specific angle.
  • FIG. 5 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 5 B is an exploded view of the torque hinge module of FIG. 5 A .
  • FIG. 5 C to FIG. 5 E illustrate an operation flow of the torque hinge module of FIG. 5 A .
  • a first bearing surface 430 , a second bearing surface 440 , a third bearing surface 450 , a fourth bearing surface 460 , a bracket 470 a , a bracket 470 b , a synchronization mechanism 480 , a driving gear 482 a , a driving gear 482 b , a synchronization gear 484 a , and a synchronization gear 484 b are similar to configurations and functions of the first bearing surface 130 , the second bearing surface 140 , the third bearing surface 150 , the fourth bearing surface 160 , the bracket 170 a , the bracket 170 b , the synchronization mechanism 180 , the driving gear 182 a , the driving gear 182 b , the synchronization gear 184 a , and the synchronization gear 184 b in the torque hinge module 100 of FIG. 1 A to FIG. 1 E , and details thereof are not repeated
  • a torque assembly 420 for example, but not limited to, includes a first torque element 422 , a second torque element 424 and a third torque element 426 .
  • the rotating element 410 a has a shaft portion 412 a and two first bearing surfaces 430 .
  • the configuration of the rotating element 410 b is similar to that of the rotating element 310 a , and detail thereof is not repeated here.
  • the first torque element 422 has a first sleeve portion 422 a and two second bearing surfaces 440 .
  • the second torque element 424 has a second sleeve portion 424 a and the third bearing surface 450 .
  • the third torque element 426 has a third sleeve portion 426 a and two fourth bearing surfaces 460 .
  • the notches of the first sleeve portion 422 a , the second sleeve portion 424 a , and the third sleeve portion 426 a are located on the side.
  • the first sleeve portion 422 a is sleeved on the shaft portion 412 a , and the two first bearing surfaces 430 may be selectively aligned with the two second bearing surfaces 440 in position.
  • the second sleeve portion 424 a is sleeved on the shaft portion 412 a , and one of the first bearing surfaces 430 may be selectively aligned with the corresponding third bearing surface 450 in position.
  • the third sleeve portion 426 a is sleeved on the shaft portion 412 a , and the two first bearing surfaces 430 may be selectively aligned with the two fourth bearing surfaces 460 in position.
  • first included angle ⁇ 1 between a plane where the second bearing surface 440 is located and a plane where the third bearing surface 450 is located.
  • second included angle ⁇ 2 between the plane where the second bearing surface 440 is located and a plane where the fourth bearing surface 460 is located.
  • a shape of the first bearing surface 430 corresponds to a shape of the second bearing surface 440 .
  • the shape of the first bearing surface 430 corresponds to a shape of the third bearing surface 450 .
  • the torque hinge module 400 of the disclosure by making the first bearing surfaces 430 bear against the second bearing surfaces 440 , the third bearing surface 350 , or the fourth bearing surfaces 460 , the torque generated when the torque assembly 420 is sleeved on the rotating element 410 a may be reduced, which helps to accurately fix the torque hinge module 400 at a specific angle.
  • FIG. 6 A is a schematic diagram of a torque hinge module according to an embodiment of the disclosure.
  • FIG. 6 B is an exploded view of the torque hinge module of FIG. 6 A .
  • FIG. 6 C and FIG. 6 E illustrate an operation flow of the torque hinge module of FIG. 6 A .
  • configurations and functions of a rotating element 510 a , a rotating element 510 b , a shaft portion 512 a , a first bearing surface 530 , a second bearing surface 540 , a third bearing surface 550 , a fourth bearing surface 560 , a bracket 570 a , a bracket 570 b , a synchronization mechanism 580 , a driving gear 582 a , a driving gear 582 b , a synchronization gear 584 a , and a synchronization gear 584 b are similar to configurations and functions of the rotating element 410 a , the rotating element 410 b , the shaft portion 412 a , the first bearing surface 430 , the second bearing surface 440 , the third bearing surface 450 , the fourth bearing surface 460 , the bracket 470 a , the bracket 470 b , the synchronization mechanism 480 , the
  • a difference between the torque hinge module 500 shown in FIG. 6 A to FIG. 6 E and the torque hinge module 400 shown in FIG. 5 A to FIG. 5 E is that the notches of a first torque element 522 , a second torque element 524 and a third torque element 526 in a torque assembly 520 are all located closer to the rotating element 510 b .
  • a number of the second bearing surfaces 540 and a number of the fourth bearing surfaces 560 are both one.
  • the number of the third bearing surfaces 550 is two. In other words, the number of the bearing surface may be increased or decreased according to actual design requirements.
  • the torque assembly is rotatably sleeved on the rotating element to generate torque
  • one of the rotating element and the torque assembly has the first bearing surface
  • the other one of the rotating element and the torque assembly has the second bearing surface and the third bearing surface corresponding to the first bearing surface
  • a shape of the first bearing surface corresponds to a shape of the second bearing surface
  • the shape of the first bearing surface corresponds to a shape of the third bearing surface.

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CN113357257B (zh) * 2020-03-03 2022-05-10 英业达科技有限公司 转轴结构
KR20220052096A (ko) * 2020-10-20 2022-04-27 삼성전자주식회사 힌지 모듈 및 이를 포함하는 폴더블 전자 장치

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